A randomized 25 question test from a pool of 761 questions, good luck!
Which of the OSI layers below best reflects the layer that DeviceNet does not interact with?
Which of the components below best represents the letter "A"?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
There are two characteristics that are defined by the classifications of the IPv4 networks. Which of the answers below contains both of those characteristics?
A DCS can be programmed with function blocks that are needed to execute specific tasks. Which of the answers below describes where the information to define these tasks comes from?
Which of the error detection methods below best relates to the term "BCC"?
There are two types of Ethernet connector cables. Which type of connector cable is pictured below?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog input memory location?
The data transmission in SX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
Which of the protocols below is best described as the connected field devices that are in a multibus configuration are limited to digital only signalling?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as a system that allows for exchange of data throughout, but can have remote systems within the system?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
Model based network devices are at the user level of Ethernet/IP. Information of a devices type and classification would be contained in which of the text files below?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a flashing alarm?
The design and utilization of a SCADA system requires the approval of several layers of government. Which of the terms below would best be described as confirming adherence to all relevant codes for SCADA applications in advance?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Mark"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
One of the layers of the OSI manages access to be able to transmit data. Which of the answers below represents that layer?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the coils ON/OFF status of inputs # 10197 to 10218 from a slave device?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?